namespace Lucene.Net.Util
{
    /*
     * Licensed to the Apache Software Foundation (ASF) under one or more
     * contributor license agreements.  See the NOTICE file distributed with
     * this work for additional information regarding copyright ownership.
     * The ASF licenses this file to You under the Apache License, Version 2.0
     * (the "License"); you may not use this file except in compliance with
     * the License.  You may obtain a copy of the License at
     *
     *     http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    /// <summary>
    /// An object whose RAM usage can be computed.
    /// <para/>
    /// @lucene.internal
    /// </summary>
    public interface IAccountable // LUCENENET NOTE: This interface wasn't added until Lucene 4.9
    {
        /// <summary>
        /// Return the memory usage of this object in bytes. Negative values are illegal.
        /// </summary>
        long RamBytesUsed();
    }
}
